1130042531545 has 4 divisors (see below), whose sum is σ = 1356051037860. Its totient is φ = 904034025232.

The previous prime is 1130042531543. The next prime is 1130042531627. The reversal of 1130042531545 is 5451352400311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 353492080704 + 776550450841 = 594552^2 + 881221^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130042531545 - 2¹ = 1130042531543 is a prime.

It is a super-2 number, since 2×1130042531545² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1130042531545.

It is not an unprimeable number, because it can be changed into a prime (1130042531543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113004253150 + ... + 113004253159.

It is an arithmetic number, because the mean of its divisors is an integer number (339012759465).

Almost surely, 2^{1130042531545} is an apocalyptic number.

It is an amenable number.

1130042531545 is a deficient number, since it is larger than the sum of its proper divisors (226008506315).

1130042531545 is an equidigital number, since it uses as much as digits as its factorization.

1130042531545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226008506314.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 1130042531545 its reverse (5451352400311), we get a palindrome (6581394931856).

The spelling of 1130042531545 in words is "one trillion, one hundred thirty billion, forty-two million, five hundred thirty-one thousand, five hundred forty-five".